package com.hwg.emp.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

import com.hwg.emp.common.util.DBUtil;

/**
 *  关闭连接的过滤器
 * @author Here We Go
 *
 */
public class CloseConnectionFilter implements Filter {



		@Override
		public void destroy() {

		}

		@Override
		public void doFilter(ServletRequest request, ServletResponse response,
				FilterChain chain) throws IOException, ServletException {
			try {
				chain.doFilter(request, response);
			} finally {
				//关闭数据库连接
				DBUtil.closeConnection();
			}
		}

		@Override
		public void init(FilterConfig filterConfig) throws ServletException {
			
			
		}
}
